Home / 7,835.91-11,750.39-3,672.55

Finding the Fourth Proportional to 7,835.91, 11,750.39 and 3,672.55

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Solution

The fourth proportional to 7,835.91, 11,750.39 and 3,672.55 is: 5,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.91 : 11,750.39 = 3,672.55 : x
  2. Step 2: Convert to fraction form
    7,835.91/11,750.39 = 3,672.55/x
  3. Step 3: Cross multiply
    7,835.91x = 11,750.39 × 3,672.55
  4. Step 4: Simplify right side
    7,835.91x = 43,153,894.79
  5. Step 5: Solve for x
    x = 43,153,894.79/7,835.91
  6. Step 6: Final answer
    x = 5,507.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.